Troubleshooting Error Messages; Maximum Ignition Trials Error - IBC VX Series Installation & Operating Manual

8.2 Troubleshooting error messages

Warning
Never attempt to repair the control module (circuit board). If the control module is defective,
replace it immediately.
Errors shown on the touchscreen controller are described below as well as diagnoses and fixes.
The bottom line of the touchscreen displays the boiler's error status. The following colors represent the
boiler's operating status:
Green – Normal
Yellow – Warning
Red – Alarm
The text inside the bar will indicate the specific warning or alarm. If there is more than one alarm
present the text will scroll slowly through all current alarm conditions. Besides the errors listed below,
see also Miscellaneous touchscreen controller errors on page

8.2.1 Maximum ignition trials error

Issue
Error – Ignition Failure after 3
tries boiler has failed to ignite on
3 successive attempts. Boiler is
in lockout for 1 hour, then repeats
3-try sequence. Consult service
technician if error recurs.
Maximum Ignition Trials Error
Diagnosis
No spark when igniting.
Ignition probe/flame
sensor disconnected.
Manual gas shutoff is
closed or gas line not fully
purged.
Gap between ignition
probe rods is too large or
too small.
Boiler ignites, but shuts
off at the end of the
ignition trial. Improperly
grounded pressure
vessel/burner or
unserviceable ignition
lead or spark module.
89
8.2 Troubleshooting error messages
91.
Fix
Check that ignition lead is secure
at the control module and at the
probe.
Check for gas flow. Open manual
gas shutoff and reset boiler.
Adjust ignition probe rod gap
between ⅛ and 3/16th (3.2-4.7
mm).
Ensure the pressure vessel is
grounded. Check the ignition
probe/flame sensor is electrically
isolated from the vessel, and its
ceramic insulator is intact. Replace
ignition lead Replace spark
module.